3. A 50.0 kg superball travelling at 25.0 m/s bounces off a brick wall and rebounds at 22.0 m/s. A high speed camera records this event. If the ball is in contact with the wall for 3.50 m/s. What is the magnitude of the average acceleration of the ball during a time interval? (Note: 1 m/s = 10-3 s)
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Answer:
a 50.0 kg superball travelling at 25.0m/s bounces off a brick wall and rebounds at 22.0 m/s m
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Answer:
1.34 x 10^4 m/s^2
Explanation:
Average of acceleration during the ball in contact with the wall.
The velocity of the ball: 25.0 ➡ 0 ➡ 22.0
Average a = total v / total time
Average a = (25.0 + 22.0) / 3.5 x 10^-3
Average a = 1.34 x 10^4 m/s^2
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